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Quiz 4_MAT 2030_11SS
Course: MAT 2030, Spring 2011School: Wayne State University
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: MAT Name 2030, Calculus III, Quiz 4 No calculators needed or allowed! Questions : (1) Show that if |r(t)| = c (a constant), then r (t) is orthogonal to r(t) for all t. [4 pts] (2) you Suppose start at the point (0, 0, 3) and move 5 units along the curve x = 3 sin t, y = 4t, z = 3 cos t in the positive direction. Where are you now? [6 pts] Answers : 1
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MAT Name 2030, Calculus III, Quiz 4
No calculators needed or allowed!
Questions :
(1) Show that if |r(t)| = c (a constant), then r (t) is orthogonal to r(t) for all t. [4 pts]
(2) you Suppose start at the point (0, 0, 3) and move 5 units along the curve x = 3 sin t, y = 4t,
z = 3 cos t in the positive direction. Where are you now? [6 pts]
Answers :
1
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